<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>TZ-追梦</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }
        div{
            width: 350px;
            height: 150px;
            box-shadow: 0 0 5px #000;
            resize: horizontal;
            resize: vertical;
            overflow: hidden;
        }
    </style>
</head>
<body>
    <div contenteditable='true'></div>
</body>
</html>